private static bool ParsePassageBody(ParseState state)
{
state.activePassage.Leaf = false;
//The summary must begin on the same line as the brace.
ParseRestOfLine(out state.activePassage.summary, state);
state.activePassage.summary = state.activePassage.summary.Trim();
while (true)
{
DevourWhitespace(state);
if (state.AtEnd())
{
if (state.activePassage.parent != null)
throw new InvalidOperationException("Error 1003 at line " + state.currentLine);
else
return true;
}
if (state.Next() == '}')
{
state.Advance(1);
return true;
}
else if (state.Next() == '{')
throw new InvalidOperationException("Error 1001 at line " + state.currentLine);
else
{
var line = "";
ParseRestOfLine(out line, state);
line = line.Trim();
if (String.IsNullOrEmpty(line)) throw new InvalidProgramException("Error 1002 at line " + state.currentLine);
var newPassage = new Passage();
newPassage.parent = state.activePassage;
newPassage.name = line;
DevourWhitespace(state);
if (!state.AtEnd() && state.Next() == '{')
{
state.Advance(1);
state.activePassage = newPassage;
if (!ParsePassageBody(state)) return false;
state.activePassage = newPassage.parent;
}
state.activePassage.children.Add(newPassage);
}
}
}
public ExtractProse(Passage root)
{
this.root = root;
}
